1/*
2 * Copyright (C) 2015-2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "CellProfile.h"
29#include <wtf/HashMap.h>
30#include <wtf/SegmentedVector.h>
31
32namespace JSC {
33
34class CellList {
35 WTF_MAKE_FAST_ALLOCATED;
36public:
37 CellList(const char* name)
38 : m_name(name)
39 {
40 }
41
42 const char* name() const { return m_name; }
43 size_t size() const { return m_cells.size(); }
44
45 typedef SegmentedVector<CellProfile, 64> CellProfileVector;
46 CellProfileVector& cells() { return m_cells; }
47
48 void add(CellProfile&& profile)
49 {
50 m_cells.append(WTFMove(profile));
51 m_mapIsUpToDate = false;
52 }
53
54 void reset();
55
56 CellProfile* find(HeapCell*);
57
58private:
59 const char* m_name;
60 CellProfileVector m_cells;
61
62 bool m_mapIsUpToDate { false };
63 HashMap<HeapCell*, CellProfile*> m_map;
64};
65
66} // namespace JSC
67